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Description
The ULM2803AG is a monolithic integrated circuit that serves as a step-down (buck) switching regulator. It is capable of driving a 3A load with excellent line and load regulation. This IC chip is available in fixed output voltages of 3.3V, 5V, 12V, 15V, and an adjustable output version. With a minimal number of external components required, it is simple to use and includes internal frequency compensation and a fixed-frequency oscillator.
Specifications and features
- Output voltage options: 3.3V, 5V, 12V, 15V, and adjustable
- Adjustable output voltage range: 1.23V to 37V
- Maximum of ˇ% deviation over line and load conditions
- Guaranteed 3A output current
- Wide input voltage range
- Efficient pre-regulator for linear regulators
- Requires only 4 external components
- Fixed frequency oscillator at 52kHz
- TTL shutdown capability with low power standby mode
- High efficiency
- Uses readily available standard inductors
- Thermal shutdown and current limit protection
Application Scenarios
- Simple high-efficiency step-down (buck) regulator
- On-card switching regulators
- Positive to negative converter (Buck-Boost)
Comparison
Advantages- Provides excellent line and load regulation
- Wide input voltage range
- High efficiency
Disadvantages- Requires 4 external components
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Datasheet
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Shopping guide
Delivery period:
- - Will ship out in 2-3 days
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- - DHL eCommerce: 12-22 business days
- - FedEx International Priority: 3-7 business days
- - EMS: 10-15 business days
Shipping fee:
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Shipping option:
DHL, FedEx, EMS, SF Express, and Registered Air MailShipping tracking:
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How to Buy:
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Additional Information
- Datasheet: Download ULM2803AG
- Chipdatas Part: CD94-ULM2803AG
- Warehouse: China, Hong Kong
- Dispatch: Within 24 hours
- Free Shipping: Yes
- Prority Shipping: Yes, 3-5 days
- Last Updated: 2024/06/13 04:44 +0800
Refund
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- Full Refund if you don't receive your order
- Full or Partial Refund , If the item is not as described
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Payment Method
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